Averaging best 15 out of 20?

G

Guest

I have a spreadsheet set up with test scores and I want to average the best
15 scores out of 20 without manually picking the 15 scores. Basically I want
to drop the lowest 5 scores for each student. Is there a formula/function
that does this?

Thanks,
Rando
 
G

Guest

This is an array formula, meaning you commit it with Ctrl-Shift-Enter

=AVERAGE(LARGE(A1:A20,ROW(1:15)))

where the scores are in A1:A20
 
J

JE McGimpsey

One slight adjustment that will prevent the formula changing if rows are
inserted or deleted:

=AVERAGE(LARGE(A1:A20,ROW(INDIRECT("1:15"))))
 

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